don't builder when we don't need to builder

1 files changed, 3 insertions, 4 deletions

diff --git a/src/makefile/mod.rs b/src/makefile/mod.rs
index e07cdfd..1ce335d 100644
--- a/src/makefile/mod.rs
+++ b/src/makefile/mod.rs
@@ -84,15 +84,15 @@ impl<'a> Makefile<'a> {
         }
     }
 
-    pub fn and_read_file(&mut self, path: impl AsRef<Path>) -> &mut Self {
+    pub fn and_read_file(&mut self, path: impl AsRef<Path>) {
         let file = File::open(path);
         // TODO handle errors
         let file = file.expect("couldn't open makefile!");
         let file_reader = BufReader::new(file);
-        self.and_read(file_reader)
+        self.and_read(file_reader);
     }
 
-    pub fn and_read(&mut self, source: impl BufRead) -> &mut Self {
+    pub fn and_read(&mut self, source: impl BufRead) {
         let mut lines_iter = source.lines().enumerate().peekable();
         while let Some((line_number, line)) = lines_iter.next() {
             // TODO handle I/O errors at all
@@ -356,7 +356,6 @@ impl<'a> Makefile<'a> {
                 }
             }
         }
-        self
     }
 
     fn special_target_has_prereq(&self, target: &str, name: &str) -> bool {